published on: 2014-08-17 18:41:28
Lemniscate of Bernoulli
Lemniscate of Bernoulli
hispers:
Lemniscate of Bernoulli
babygirl
babygirl
published on: 2014-08-17 18:41:28
Lemniscate of Bernoulli
Lemniscate of Bernoulli
hispers:
Lemniscate of Bernoulli
babygirl
babygirl